Cambridge O Level ยท 5070 ยท Paper 1 ยท Multiple choice
Chemistry 5070/11 May/June 2013 past paper
Cambridge O Level Chemistry (5070) Paper 1 (Multiple choice), variant 1, May/June 2013: the question paper and its official mark scheme, 40 questions. Free to open, no account needed.
- Questions
- 40
- Marks
- โ
File names: 5070_s13_qp_11 ยท 5070_s13_ms_11
Topics in this paper
Which syllabus chapters 5070/11 May/June 2013 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Chemistry of the environment | 8 | โ |
| Acids, bases and salts | 7 | โ |
| Electrochemistry | 6 | โ |
| Atoms, elements and compounds | 5 | โ |
| States of matter | 4 | โ |
| Chemical reactions | 3 | โ |
| Metals | 3 | โ |
| Organic chemistry | 2 | โ |
| Experimental techniques and chemical analysis | 1 | โ |
| Stoichiometry | 1 | โ |
Questions in 5070/11 May/June 2013
- Question 1
In which method of separation are Rf values used? A chromatography B crystallisation C filtration D fractional distillation
- Question 2
The diagrams show the arrangement of particles in three solids: krypton, potassium and sodium chloride. โฆ
- Question 3
In which pair do neither of the gases change the colour of damp blue litmus paper? A ammonia and hydrogen B ammonia and hydrogen chloride C carbon dioxide and chlorine D carbon dioxide and sulfur dioxide
- Question 4
Naturally-occurring bromine has a relative atomic mass of 80 and consists entirely of two isotopes of relative atomic masses 79 and 81. What can be deduced about naturally-occurring bromine from this information only? A Bromine contains the two isotopes in โฆ
- Question 5
Which compound has molecules each of which contains only two covalent bonds? A CH4 โฆ
- Question 6
What can be deduced about two gases that have the same relative molecular mass? A They have the same boiling point. B They have the same number of atoms in one molecule. C They have the same rate of diffusion โฆ
- Question 7
An ionic bond is formed by A electron sharing between metals and non-metals. B electron sharing between non-metals. C electron transfer between non-metals. D electron transfer from metals to non-metals.
- Question 8
Both magnesium oxide, MgO, and aluminium oxide, Al 2O3, are solids at room temperature, 25 ยฐC. MgO has a melting point of 2852 ยฐC and a boiling point of 3600 ยฐC. Al 2O3 has a melting point of 2072 ยฐC โฆ
- Question 9
Which substance conducts an electric current but remains chemically unchanged? A aluminium B aqueous sodium chloride C molten lead(II) bromide D pure ethanoic acid
- Question 10
Which statement most clearly indicates that diamond and graphite are forms of carbon? A Both are crystalline solids. B Complete combustion of equal masses of both solids produces equal masses of carbon dioxide as the only product. C Graphite conducts โฆ
- Question 11
In an experiment, 1 cm3 of a gaseous hydrocarbon X required 4 cm3 of oxygen for complete combustion to give 3 cm3 of carbon dioxide. All gas volumes are measured at r.t.p. Which formula represents โฆ
- Question 12
What is the concentration of a solution containing 1.0 g of sodium hydroxide in 250 cm3 of solution? A 0.025 mol / dm3 B 0.10 mol / dm3 C 0.25 mol / dm3 D 1.0 mol / dm3
- Question 13
The diagrams show an electrolysis experiment using inert electrodes. liquid โฆ
- Question 14
Which substance, when added to water, does not make a solution that is a good conductor of electricity? A barium nitrate B calcium chloride C lead(II) nitrate D zinc carbonate
- Question 15
A simple cell is shown below. voltmeter copper electrode zinc electrode electrolyte V Which statement about the process occurring when the cell is in operation is correct? A Cu2+ ions are formed in solution. B Electrons travel through the solution. โฆ
- Question 16
The usual conditions for the Haber process are 250 atm pressure, 450 ยฐC and an iron catalyst. Which change in conditions would give the reactants more energy? A addition of more catalyst B a decrease in pressure C an increase โฆ
- Question 17
Chlorine can be manufactured by the following reaction. 4HCl โฆ
- Question 18
Equations for reactions of iron and iron compounds are shown. Fe + 2HCl โ FeCl โฆ
- Question 19
Which is a use of sulfuric acid? A as a bleach B in the manufacture of ammonia C in the manufacture of fertilisers D in the manufacture of sulfur trioxide
- Question 20
The table shows the solubility of some compounds of metal Q in cold water. salt solubility in cold water carbonate insoluble chloride soluble sulfate insoluble What is metal Q? A barium B lead C magnesium D sodium
- Question 21
A metal M forms a chloride which dissolves in cold water and has an oxide which dissolves in both strong acids and strong alkalis. What is M? A iron B lead C sodium D zinc
- Question 22
Which element has a variable oxidation state, can act as a catalyst and forms coloured compounds? A carbon B iron C lead D nitrogen
- Question 23
An atom of which element has the same electronic configuration as the strontium ion? A calcium B krypton C rubidium D selenium
- Question 24
The boiling points of gaseous elements increase as the size of their atoms increases. Which of these noble gases has the highest boiling point? A argon B helium C krypton D neon
- Question 25
The sentence describes two metals and their oxides. Metal X could be copper because its oxide is 1 and metal Y could be 2 because its oxide is amphoteric. Which words correctly complete gaps 1 and โฆ
- Question 26
Which gas could be used to convert copper(II) oxide to copper? A carbon dioxide B hydrogen C nitrogen D oxygen
- Question 27
Aluminium and copper are often used to make coins but iron is not. Which statement explains this? A Iron is above both aluminium and copper in the reactivity series. B Iron is more expensive to manufacture than aluminium or copper. โฆ
- Question 28
In the electrolysis of molten aluminium oxide for the extraction of aluminium, the following three reactions take place. 1 Al โฆ
- Question 29
Which two substances are removed from the bottom of the blast furnace? 1 coke 2 iron 3 limestone 4 slag A 1 and โฆ
- Question 30
An alloy of copper and zinc is added to an excess of dilute hydrochloric acid. The resulting mixture is then filtered. Which observations are correct? filtrate residue A colourless solution none B colourless solution red-brown C blue solution grey D โฆ
- Question 31
Which aqueous reagent liberates ammonia from ammonium nitrate on warming? A calcium nitrate B potassium hydroxide C sodium chloride D sulfuric acid
- Question 32
An aqueous solution of a compound X reacts with โข aqueous zinc chloride to form a white precipitate which dissolves when X is in excess, โข aluminium sulfate solution to form a white precipitate which is insoluble when X is โฆ
- Question 33
CFC compounds were commonly used as aerosol propellants. The structure of one CFC compound is shown. โฆ
- Question 34
Which gas is most likely to react with limestone? A ammonia B carbon monoxide C methane D sulfur dioxide
- Question 35
The diagram shows the structure of an ester. โฆ
- Question 36
Which information is correct regarding the formation of ethanol by the process of fermentation? substances fermented gas evolved during fermentation A carbohydrates carbon dioxide B carbohydrates carbon monoxide C hydrocarbons carbon dioxide D hydrocarbons carbon monoxide
- Question 37
Nylon, poly(ethene) and Terylene are macromolecules. In which of these macromolecules is the C=O group present in the linkage? A nylon and Terylene only B nylon only C poly(ethene) and Terylene only D Terylene only
- Question 38
Which partial structure is correct for the product of polymerisation of butene, CH2=CHCH2CH3? โฆ
- Question 39
Glucose is a simple sugar. Glycine is an amino acid. In the diagram, which two arrows correctly show the hydrolysis products of a carbohydrate and of a protein? a carbohydrate a protein glucose glycine โฆ
- Question 40
When crude oil is distilled several products are obtained. What is the correct order of their boiling points? highest boiling point lowest boiling point A diesel paraffin (kerosene) petrol (gasoline) lubricating oil B lubricating oil diesel paraffin (kerosene) petrol (gasoline) โฆ
Other Chemistry papers from May/June 2013
- 5070/12 Multiple choice
- 5070/21 Theory
- 5070/22 Theory
- 5070/41 Alternative to Practical
- 5070/42 Alternative to Practical